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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME (Tables)
 12 Months Ended
Dec. 29, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of accumulated other comprehensive (loss) income
Accumulated other comprehensive (loss) income is summarized as follows:
(dollars in thousands)
Pension liability adjustments
 
Post-retirement liability adjustments
 
Cumulative translation adjustments
 
Accumulated other comprehensive (loss) income
Balance at January 2, 2016
$
(8,185
)
 
$
1,404

 
$
(29,586
)
 
$
(36,367
)
Fiscal year 2016 change
(666
)
 
331

 
1,962

 
1,627

Balance at December 31, 2016
(8,851
)
 
1,735

 
(27,624
)
 
(34,740
)
Fiscal year 2017 change
(430
)
 
(262
)
 
6,339

 
5,647

Balance at December 30, 2017
(9,281
)
 
1,473

 
(21,285
)
 
(29,093
)
Fiscal year 2018 change
(281
)
 
214

 
(11,679
)
 
(11,746
)
Balance at December 29, 2018
$
(9,562
)
 
$
1,687

 
$
(32,964
)
 
$
(40,839
)